CN114541626A - Construction method for core tube inclined wall of super high-rise building - Google Patents
Construction method for core tube inclined wall of super high-rise building Download PDFInfo
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- 238000010276 construction Methods 0.000 title claims abstract description 42
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 130
- 239000010959 steel Substances 0.000 claims abstract description 130
- 238000009415 formwork Methods 0.000 claims abstract description 36
- 238000003466 welding Methods 0.000 claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 14
- 230000002787 reinforcement Effects 0.000 claims description 14
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 9
- 238000009435 building construction Methods 0.000 abstract description 3
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- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/84—Walls made by casting, pouring, or tamping in situ
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/08—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
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- E—FIXED CONSTRUCTIONS
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- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
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Abstract
The invention relates to the technical field of high-rise building construction, in particular to a construction method for a core tube inclined wall of a super high-rise building. The construction method comprises the steps of BIM modeling, I-steel processing and manufacturing, vertical wall steel bar binding, embedded part installation, triangular I-steel assembly, triangular I-steel installation, operation frame installation, inclined wall steel bar binding, template installation, pouring, template dismantling and triangular I-steel dismantling. Assembling the delta-shaped steel, and mounting the delta-shaped steel, the first embedded part and the second embedded part by using high-strength bolts for temporary fixation, and performing spot welding treatment at the joint. The construction method innovatively uses the erection mode of the triangular I-shaped steel and the inclined steel pipe, the triangular I-shaped steel is used as a frame body foundation, the inclined steel pipe is used as a support frame, the separation of the top formwork steel platform and the triangular I-shaped steel is realized, the top formwork steel platform and the triangular I-shaped steel are not influenced mutually, the problem that the inclined wall cannot be used for formwork erection is solved, meanwhile, the components can be repeatedly used, and the cost is saved.
Description
Technical Field
The invention relates to the technical field of high-rise building construction, in particular to a construction method for a core tube inclined wall of a super high-rise building.
Background
At present, in order to solve the problem of urban land shortage, people pursue higher building height, the maximization of vertical space utilization is usually pursued, so that super high-rise buildings are increased day by day, super high-rise buildings generally adopt the structural form of 'core tube + outer frame column', wherein 'core tube' plays the role of supporting the building and arranging an elevator shaft, in order to meet the requirements of elevator and appearance design, and simultaneously, in order to increase the usable floor area of a floor, the section of the core tube is gradually reduced from bottom to top, and in order to ensure the rigidity uniformity of the core tube, the inclined wall becomes an effective means for solving the reduction of the section of the super high-rise building.
In the correlation technique, the core section of thick bamboo construction generally utilizes a mould steel platform (building machine) earlier to carry out the vertical structure construction, carries out the horizontal structure construction again, the construction of the core section of thick bamboo wall body of carrying out earlier promptly, carries out the beam slab construction again, the skew wall support need be set up among the skew wall construction process, but because core section of thick bamboo wall body and beam slab construction are asynchronous, therefore the skew wall construction often need wait to the beam slab construction and accomplish, set up the skew wall support depending on the beam slab, cause the worker phenomenon of litter easily, and be unfavorable for construction safety.
Disclosure of Invention
The invention provides a construction method for a core tube inclined wall of a super high-rise building, which aims to enable the construction of the core tube inclined wall not to be limited by the construction delay of beam slabs and solve the problem of the erection of inclined wall supports.
The invention provides a construction method for constructing a core tube inclined wall of a super high-rise building, which adopts the following technical scheme:
a construction method for constructing a core tube inclined wall of a super high-rise building comprises the following construction steps:
the method comprises the following steps: building a BIM model according to a building design drawing, calculating the shape and the length of a required I-steel frame through model design, and finishing manufacturing in a factory;
step two: binding a layer of vertical wall body reinforcement cage below the core cylinder by using a lower hanging frame of the top die steel platform, and mounting a first embedded part and a second embedded part at the top of the vertical wall body reinforcement cage;
step three: assembling and splicing the manufactured I-beams into an I-beam triangle, installing a connecting member, connecting and installing the I-beam triangle on the first embedded part and the second embedded part through the connecting member, and installing an operating frame on the I-beam triangle;
step four: binding a reinforcement cage in the inclined wall area of the core cylinder by using the operation frame;
step five: prefabricating a template according to a BIM model, installing the prefabricated template outside the reinforcement cage bound by the vertical wall and the inclined wall, and installing a template support frame outside the prefabricated template after the prefabricated template is installed;
step six: pouring concrete in the installed prefabricated formwork, dismantling the prefabricated formwork and the formwork support frame after the concrete is fixed, and maintaining the concrete wall;
step seven: and dismantling the triangular I-shaped steel, the operating frame, the first embedded part and the second embedded part.
Through adopting above-mentioned technical scheme, adopt triangle I-steel to make the fixed of handling frame and template support frame and the separation of top mould steel platform, realize the continuity of skew wall construction, prevent to conflict each other with beam slab construction, the problem of the unequal high synchronous construction of superelevation layer has been solved, all components utilize BIM to design and model, collision and the appearance of interference scheduling problem when preventing the installation, the simultaneous simulation atress avoids the building atress not enough, and whole prefabricated processing in the mill, manufacturing accuracy and quality have been guaranteed.
Preferably, the I-beam, the connecting member, the first embedded part, the second embedded part and the prefabricated template are all cut and perforated in a factory, the assembly of the I-beam and the installation between the I-beam and the first embedded part and between the I-beam and the second embedded part are temporarily fixed with the connecting member by high-strength bolts, and spot welding is carried out at the joint.
Through adopting above-mentioned technical scheme, because the I-steel triangle needs cyclic utilization, consequently the I-steel triangle carries out interim fixing through high strength bolt, convenient dismantlement, and in order to increase factor of safety, the junction adopts spot welding, strengthens the fastness of installation, and the while furthest reduces the troublesome degree of dismouting.
Preferably, before the first embedded part and the second embedded part are installed, positioning steel bars are placed on a steel bar cage of the inclined wall of the core barrel, the positioning steel bars are used for determining the positions of the first embedded part and the second embedded part, the first embedded part, the second embedded part and the positioning steel bars are firstly temporarily bound and fixed through binding wires, and then the first embedded part and the second embedded part are welded and fixed through a welding machine.
By adopting the technical scheme, the mounting positions of the triangular I-shaped steel are determined by the mounting positions of the first embedded part and the second embedded part, the positioning steel bars can not only ensure the mounting position precision of the first embedded part and the second embedded part, but also fix the first embedded part and the second embedded part, the first embedded part and the second embedded part are bound by the steel wires, the whole body can be conveniently measured and adjusted, and then the welding is completely fixed.
Preferably, the prefabricated template is divided into a wood template and a steel template, the wood template is adopted in the inclined wall area of the core tube, and the steel template hung on the top-form steel platform is adopted in the vertical wall of the core tube.
Through adopting above-mentioned technical scheme, the steel form is the fixed die plate, demolishs along with the removal two of top mould steel platform demolishs the removal, but the skew wall template is special-shaped template, need lay alone, consequently adopts the plank sheathing to fix, and the plank sheathing processing is convenient and easily molding, and the low price is applicable to disposable simultaneously.
Preferably, the formwork support frame comprises an inclined steel pipe, a horizontal steel pipe, a parallel wall steel pipe and a vertical steel pipe, the inclined steel pipe, the horizontal steel pipe, the parallel wall steel pipe and the vertical steel pipe are fixedly connected through bolts respectively, the inclined steel pipe is inserted into an inclined steel bar head on the triangular I-shaped steel firstly when being installed, then the angle of the inclined steel pipe is adjusted by using an angle controller, and then the horizontal steel pipe, the parallel wall steel pipe and the vertical steel pipe are installed.
Through adopting above-mentioned technical scheme, angle controller can conveniently adjust the angle of oblique steel pipe to satisfy the angle change requirement of skew wall, angle controller simple structure makes conveniently simultaneously.
Preferably, the cast concrete adopts super high-rise pump concrete, and the strength of the concrete is measured by using a high-strength resiliometer after the prefabricated formwork is dismantled.
Through adopting above-mentioned technical scheme, super high-rise pump sending concrete can be with ground finished product concrete pumping to building construction top, guarantees the concrete quality, reduces because of on-the-spot mixed concrete influences construction health, utilizes the resiliometer that excels in to carry out concrete strength detection, guarantees the concrete strength quality, prevents that follow-up construction from collapsing.
Preferably, when the triangular I-steel, the operating frame, the first embedded part and the second embedded part are disassembled, firstly, a welding seam of spot welding is removed through cutting or polishing, then, the high-strength bolt is disassembled, and finally, the hand-operated hoist is used for hoisting and disassembling.
By adopting the technical scheme, the triangular I-shaped steel is directly hoisted to the next construction surface through hoisting by the hand hoist, so that the construction continuity is facilitated, and the construction progress is accelerated.
In summary, the invention has the following beneficial technical effects:
1. the construction method innovatively uses the erection mode of the triangular I-shaped steel and the inclined steel pipe, the triangular I-shaped steel is used as a frame body foundation, the inclined steel pipe is used as a support frame, the separation of the top formwork steel platform and the triangular I-shaped steel is realized, the top formwork steel platform and the triangular I-shaped steel are not influenced mutually, the problem that the inclined wall cannot be used for formwork erection is solved, meanwhile, the components can be repeatedly used, and the cost is saved.
2. All components are designed and modeled by using BIM, so that the problems of collision, interference and the like during installation are prevented, meanwhile, stress is simulated to avoid insufficient stress of the building, and the components are all prefabricated in a factory, so that the manufacturing precision and quality are ensured.
3. Because the I-steel triangle needs cyclic utilization, consequently the I-steel triangle carries out interim fixing through high strength bolt, convenient dismantlement, for increasing factor of safety, the junction adopts spot welding, strengthens the fastness of installation, and the troublesome degree of dismouting is reduced to the at utmost simultaneously.
4. The steel form is the fixed die plate, demolishs and removes along with the removal two of top mould steel platform, but the skew wall template is special-shaped template, need lay alone, consequently adopts the plank sheathing to fix, and plank sheathing processing is convenient and easily molding, and the low price is applicable to disposable simultaneously.
Drawings
FIG. 1 is a schematic view of an I-beam structure according to the present invention;
FIG. 2 is a schematic view of the mounting structure of the delta-section steel of the present invention;
FIG. 3 is a schematic structural view of the inclined wall reinforcement cage of the present invention;
FIG. 4 is a schematic view of an angle controller according to the present invention;
FIG. 5 is a flow chart of the construction steps of the present invention.
Description of reference numerals:
1. the steel formwork comprises I-shaped steel triangles 10, a reinforcement cage 11, a first embedded part 12, a second embedded part 13, a connecting member 2, a formwork support frame 21, an inclined steel pipe 22, a horizontal steel pipe 23, a parallel wall steel pipe 24, a vertical steel pipe 3 and an angle controller.
Detailed Description
The invention is described in further detail below with reference to figures 1-4.
Example 1:
the embodiment of the invention discloses a construction method for constructing a core tube inclined wall of a super high-rise building, which comprises the following construction steps:
the method comprises the following steps: building a BIM model according to a building design drawing, calculating the shape and the length of a required I-steel frame through model design, and finishing manufacturing in a factory;
step two: binding a vertical wall body reinforcement cage at the lower layer of the core cylinder by using a lower hanging frame of a top die steel platform, and installing a first embedded part 11 and a second embedded part 12 at the top of the vertical wall body reinforcement cage;
step three: assembling and splicing the manufactured I-beams into an I-beam 1, installing a connecting member 13, connecting and installing the I-beam 1 on a first embedded part 11 and a second embedded part 12 through the connecting member 13, and installing an operating frame on the I-beam 1;
step four: binding the reinforcement cage 10 in the inclined wall area of the core cylinder by using the operation frame;
step five: prefabricating a template according to a BIM model, installing the prefabricated template outside the reinforcement cage 10 bundled by the vertical wall and the inclined wall, and installing a template support frame 2 outside the prefabricated template after the prefabricated template is installed;
step six: pouring concrete in the installed prefabricated formwork, dismantling the prefabricated formwork and the formwork support frame 2 after the concrete is fixed, and maintaining the concrete wall;
step seven: and (4) dismantling the triangular I-shaped steel 1, the operating frame, the first embedded part 11 and the second embedded part 12.
Example 2:
on the basis of example 1, the following are added:
the method comprises the following steps that the I-beam 1, the connecting member 13, the first embedded part 11, the second embedded part 12 and a prefabricated template are cut and perforated in a factory, the I-beam 1 is assembled, the I-beam 1 and the first embedded part 11 and the second embedded part 12 are installed in a temporary mode through high-strength bolts and the connecting member 13, and spot welding is conducted on the connecting position.
Before the first embedded part 11 and the second embedded part 12 are installed, firstly, positioning steel bars are placed on a steel bar cage 10 of the inclined wall of the core barrel, the positions of the first embedded part 11 and the second embedded part 12 are determined by the positioning steel bars, the first embedded part 11, the second embedded part 12 and the positioning steel bars are firstly temporarily bound and fixed by binding wires, and then, the welding machine is used for welding and fixing.
The prefabricated formwork is divided into a wooden formwork and a steel formwork, the wooden formwork is adopted in the inclined wall area of the core tube, and the steel formwork hung on the top formwork steel platform is adopted in the vertical wall body of the core tube.
The formwork support frame comprises an inclined steel pipe 21, a horizontal steel pipe 22, a parallel wall steel pipe 23 and a vertical steel pipe 24, the inclined steel pipe 21, the horizontal steel pipe 22, the parallel wall steel pipe 23 and the vertical steel pipe 24 are fixedly connected through bolts respectively, the inclined steel pipe 21 is firstly inserted into an inclined steel bar head on the triangular I-shaped steel when being installed, then the angle of the inclined steel pipe 21 is adjusted by utilizing the angle controller 3, and then the horizontal steel pipe 22, the parallel wall steel pipe 23 and the vertical steel pipe 24 are installed.
Example 3:
on the basis of the embodiment 2, the following steps are added:
the pouring concrete adopts super high-rise pump concrete, and the strength of the concrete is measured by using a high-strength resiliometer after the prefabricated formwork is dismantled.
When the triangular I-steel 1, the operating frame, the first embedded part 11 and the second embedded part 12 are dismantled, firstly, a welding seam of spot welding is removed through cutting or polishing, then, the high-strength bolt is dismantled, and finally, the hand-operated hoist is used for hoisting and dismantling.
The construction method for the core tube inclined wall of the super high-rise building is successfully applied to the project of 'International financial center in Shandong Green space' (IFC). The core barrels of the 71-75 layers of the project are gradually inclined and gradually contracted inwards, the inclination angle is 80.33 degrees, the problem that a formwork cannot be erected in an inclined wall area is successfully solved by the construction method, unnecessary waiting time is avoided, the requirement of unequal-height synchronous construction of an ultra-high layer is met, the safety of field construction is guaranteed, the construction speed is accelerated, and the construction time is shortened.
The above are all preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (7)
1. A construction method for a core tube inclined wall of a super high-rise building is characterized by comprising the following steps: the method comprises the following construction steps:
the method comprises the following steps: building a BIM model according to a building design drawing, calculating the shape and the length of a required I-steel frame through model design, and finishing manufacturing in a factory;
step two: binding a vertical wall body reinforcement cage at the lower layer of the core cylinder by using a lower hanging frame of a top die steel platform, and installing a first embedded part (11) and a second embedded part (12) at the top of the vertical wall body reinforcement cage;
step three: assembling the manufactured I-beams into an I-beam (1) in a combined manner, installing a connecting member (13), connecting and installing the I-beam (1) on a first embedded part (11) and a second embedded part (12) through the connecting member (13), and installing an operating frame on the I-beam (1);
step four: binding a reinforcement cage (10) in the inclined wall area of the core cylinder by using an operation frame;
step five: prefabricating a template according to a BIM model, installing the prefabricated template outside a reinforcement cage (10) bundled by a vertical wall and an inclined wall, and installing a template support frame (2) outside the prefabricated template after the prefabricated template is installed;
step six: pouring concrete in the installed prefabricated formwork, dismantling the prefabricated formwork and the formwork support frame (2) after the concrete is fixed, and maintaining the concrete wall;
step seven: and (3) dismantling the triangular I-shaped steel (1), the operating frame, the first embedded part (11) and the second embedded part (12).
2. The method for constructing and constructing the core tube inclined wall of the super high-rise building according to claim 1, wherein: the method is characterized in that the triangular I-shaped steel (1), the connecting member (13), the first embedded part (11), the second embedded part (12) and the prefabricated template are cut and perforated in a factory, the triangular I-shaped steel (1) is assembled, the triangular I-shaped steel (1), the first embedded part (11) and the second embedded part (12) are installed in a temporary mode through high-strength bolts and the connecting member (13), and spot welding processing is conducted on the connecting position.
3. The method for constructing and constructing the core tube inclined wall of the super high-rise building according to claim 1, wherein: before the first embedded part (11) and the second embedded part (12) are installed, firstly, positioning steel bars are placed on a steel bar cage (10) of the inclined wall of the core barrel, the positions of the first embedded part (11) and the second embedded part (12) are determined by the positioning steel bars, the first embedded part (11), the second embedded part (12) and the positioning steel bars are temporarily bound and fixed by binding wires, and then the first embedded part (11), the second embedded part (12) and the positioning steel bars are welded and fixed by a welding machine.
4. The method for constructing and constructing the core tube inclined wall of the super high-rise building according to claim 1, wherein: the prefabricated formwork is divided into a wooden formwork and a steel formwork, the wooden formwork is adopted in the inclined wall area of the core tube, and the steel formwork hung on the top formwork steel platform is adopted in the vertical wall body of the core tube.
5. The method for constructing and constructing the core tube inclined wall of the super high-rise building according to claim 1, wherein: the formwork support frame comprises an inclined steel pipe (21), a horizontal steel pipe (22), a parallel wall surface steel pipe (23) and a vertical steel pipe (24), the inclined steel pipe (21), the horizontal steel pipe (22), the parallel wall surface steel pipe (23) and the vertical steel pipe (24) are fixedly connected through bolts, the inclined steel pipe is firstly inserted into an inclined steel bar head on the triangular I-shaped steel when the inclined steel pipe (21) is installed, then the angle of the inclined steel pipe (21) is adjusted by using an angle controller (3), and then the horizontal steel pipe (22), the parallel wall surface steel pipe (23) and the vertical steel pipe (24) are installed.
6. The method for constructing and constructing the core tube inclined wall of the super high-rise building according to claim 1, wherein: the pouring concrete adopts super high-rise pump concrete, and the strength of the concrete is measured by using a high-strength resiliometer after the prefabricated formwork is dismantled.
7. The method for constructing and constructing the core tube inclined wall of the super high-rise building according to claim 2, characterized in that: when the triangular I-shaped steel (1), the operating frame, the first embedded part (11) and the second embedded part (12) are dismantled, firstly, a welding seam of spot welding is removed through cutting or polishing, then, the high-strength bolt is dismantled, and finally, the hand-operated hoist is used for hoisting and dismantling.
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| CN202210206698.7A CN114541626A (en) | 2022-03-04 | 2022-03-04 | Construction method for core tube inclined wall of super high-rise building |
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| CN202210206698.7A CN114541626A (en) | 2022-03-04 | 2022-03-04 | Construction method for core tube inclined wall of super high-rise building |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105908966A (en) * | 2016-06-02 | 2016-08-31 | 中国建筑第八工程局有限公司 | Creeping formwork system for oblique wall construction and construction method of creeping formwork system |
| CN106337555A (en) * | 2016-09-26 | 2017-01-18 | 山东金城建设有限公司 | Method for constructing triangular steel support for cantilever structure of outer wall of building |
| CN108331334A (en) * | 2017-12-31 | 2018-07-27 | 中交二航局第四工程有限公司安徽分公司 | Shear wall, cylinder concrete structure large form hoisting type construction method |
| CN110005203A (en) * | 2019-03-27 | 2019-07-12 | 中建三局集团有限公司 | A kind of adaptive tool-type sloping core form bracing system and application method |
| KR20220007913A (en) * | 2020-07-13 | 2022-01-20 | 장선옥 | Frame for construction of concrete wall |
-
2022
- 2022-03-04 CN CN202210206698.7A patent/CN114541626A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105908966A (en) * | 2016-06-02 | 2016-08-31 | 中国建筑第八工程局有限公司 | Creeping formwork system for oblique wall construction and construction method of creeping formwork system |
| CN106337555A (en) * | 2016-09-26 | 2017-01-18 | 山东金城建设有限公司 | Method for constructing triangular steel support for cantilever structure of outer wall of building |
| CN108331334A (en) * | 2017-12-31 | 2018-07-27 | 中交二航局第四工程有限公司安徽分公司 | Shear wall, cylinder concrete structure large form hoisting type construction method |
| CN110005203A (en) * | 2019-03-27 | 2019-07-12 | 中建三局集团有限公司 | A kind of adaptive tool-type sloping core form bracing system and application method |
| KR20220007913A (en) * | 2020-07-13 | 2022-01-20 | 장선옥 | Frame for construction of concrete wall |
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